[Tibco EMS] Fix collection of queues with a none prefetch value (#21039)

* Fix collection of queues with a `none` prefetch value

* Add changelog

Author: dkirov-dd

tibco_ems/changelog.d/21039.fixed

@@ -0,0 +1 @@
+Fix collection of queues with a `none` prefetch value

tibco_ems/datadog_checks/tibco_ems/constants.py

@@ -41,7 +41,7 @@
         'regex': re.compile(
             r'^\s*[*\s]*(?P<queue_name>\S+)\s+'
             r'(?P<snfgxibct>[-+*]*)\s+'
-            r'(?P<pre>\d+\*?)\s+'
+            r'(?P<pre>(?:\d+\*?|none))\s+'
             r'(?P<receivers>\d+)\s+'
             r'(?P<pending_messages>\d+)\s+'
             r'(?P<pending_messages_size>\d+\.?\d*\s*\S+)\s+'

tibco_ems/tests/common.py

@@ -275,6 +275,22 @@ def mock_output(filename):
                 'receivers': 0,
                 'snfgxibct': '',
             },
+            {
+                'pending_messages': 214,
+                'pending_messages_size': {
+                    'unit': 'Kb',
+                    'value': 214.1,
+                },
+                'pending_persistent_messages': 214,
+                'pending_persistent_messages_size': {
+                    'unit': 'Kb',
+                    'value': 214.1,
+                },
+                'pre': 'none',
+                'queue_name': 'none.prefetch.sample',
+                'receivers': 16,
+                'snfgxibct': '',
+            },
         ],
         'expected_metrics': [
             'tibco_ems.queue.pending_messages',

tibco_ems/tests/fixtures/show_queues

@@ -9,4 +9,6 @@ Command: show queues
   $sys.undelivered                  +--------    5*     0        0     0.0 Kb        0     0.0 Kb
 * $TMP$.tibemsd.1669EC51B3.1        ---------    5      1        0     0.0 Kb        0     0.0 Kb
   queue.sample                      -------+-    5*     0        0     0.0 Kb        0     0.0 Kb
-  sample                            -------+-    5*     0        0     0.0 Kb        0     0.0 Kb
+  sample                            -------+-    5*     0        0     0.0 Kb        0     0.0 Kb
+  none.prefetch.sample              --------- none     16      214   214.1 Kb      214   214.1 Kb
+